//前台日期选择框{fieldLabel:‘发货时间‘, xtype:‘datefield‘,id:‘sendtime_field‘,name: ‘sendtime‘,columnWidth:1, padding: ‘5‘,afterLabelTextTpl: required,allowBlank: false,format: ‘Y-m-d H:i:s‘},  //后台获取，转换，保存如下//获取String sendtime = RequestUtil.getString("sendtime", request);//格式化时间SimpleDateFormat formatter = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss");Date sendtimeFormatted = formatter.parse(sendtime);//保存，略